51124239

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 36

約数和(自身を含む): 79932528

約数和(自身を除く): 28808289

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 257, 279, 713, 771, 961, 2139, 2313, 2883, 5911, 6417, 7967, 8649, 17733, 22103, 23901, 53199, 66309, 71703, 183241, 198927, 246977, 549723, 740931, 1649169, 2222793, 5680471, 17041413, 51124239]

約数ペア:

[(1, 51124239), (3, 17041413), (9, 5680471), (23, 2222793), (31, 1649169), (69, 740931), (93, 549723), (207, 246977), (257, 198927), (279, 183241), (713, 71703), (771, 66309), (961, 53199), (2139, 23901), (2313, 22103), (2883, 17733), (5911, 8649), (6417, 7967)]